Astell & Kern is proud to announce our most alluring custom offering yet. AKR03 is equipped with soundrIVe technology, the newest proprietary mini quad drivers, AKR03 lures you in with the widest frequency range you’ll ever hear and then seduces you with the first variable bass control IEM cable; adjustable, so you can shape the sweet spot of your low end to irresistible levels. Be careful, this Siren's song might just be the last you'll ever want to hear.

FreqPhase Technology Proprietary technology to support the sound quality of JH Audio "FreqPhase" to the limit to precisely control the phase of each band, and reproduce accurately as possible the sound that artists want to convey.

Customized fine tune for Astell&Kern AK240Jerry Harvey himself has used his years of experience to achieve a special tuning of the IEM's industry first 12 Drivers to create an unprecedented synergy between Astell&Kern and IEM. With careful consideration to the frequency response, output impedance and tonal characteristics of the AK240, Jerry Harvey has fine tuned the Roxanne-Astell&Kern edition to take maximum advantage and to squeeze every last bit of performance these two great products can produce.

Balance Cable for Astell&Kern AK240Astell&Kern AK240 provides a full balance output with its specific 2.5mm 4pole terminal. This special edition is originally designed and fine tuned for the AK240 balance output and provides a balanced cable specially made to connect to the Astell&Kern AK240. This originally designed 3.5mm unbalanced cable is also included in the package. Astell&Kern special Edition Astell&Kern Logo Carbon fiber faceplate and Machined Billet Aluminum carrying case with special edition Engraved Astell&Kern and Jerry Harvey Roxanne logo will truly separate this special edition from the original.